Year-round merino to keep you comfortable everywhere from the slopes to your campsite
Smartwool’s Classic All-Season Merino Base Layer Bottom works hard year-round to keep you comfortable everywhere from the slopes to your campsite. Their ultra-smooth Merino helps regulate body temperature, breathes well, and naturally resists odors when you’re wearing these base layer pants. Smartwool has added smooth flatlock seams to help minimize chafing, a wide fabric-covered waistband to fit you just right, and a nylon thread core for added strength—giving you the right tights to go farther than ever before.
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Formerly known as the Merino 150 Base Layer Bottom. Packaging may have either name but the product is identical.
- Our slim fit is intended to follow the contours of the body
- Our lightweight Merino jersey fabric uses a recycled nylon core to increase durability while still keeping 100% Merino wool next to skin
- Fully functional fly
- Side seams wrap onto front for enhanced fit
- Flatlock seam construction designed to minimize chafing
- Fabric: 88% merino wool, 12% nylon



























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